15223072370940 has 384 divisors, whose sum is σ = 56593152000000. Its totient is φ = 3321594853632.

The previous prime is 15223072370939. The next prime is 15223072370941. The reversal of 15223072370940 is 4907327032251.

15223072370940 is a `hidden beast` number, since 1 + 5 + 2 + 230 + 7 + 2 + 370 + 9 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (15223072370939) and next prime (15223072370941).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15223072370941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 43207611 + ... + 43558509.

It is an arithmetic number, because the mean of its divisors is an integer number (147378000000).

Almost surely, 2^{15223072370940} is an apocalyptic number.

15223072370940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15223072370940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28296576000000).

15223072370940 is an abundant number, since it is smaller than the sum of its proper divisors (41370079629060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15223072370940 is a wasteful number, since it uses less digits than its factorization.

15223072370940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351446 (or 351438 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 15223072370940 in words is "fifteen trillion, two hundred twenty-three billion, seventy-two million, three hundred seventy thousand, nine hundred forty".