1423772864640 has 512 divisors, whose sum is σ = 5788842393600. Its totient is φ = 323968315392.

The previous prime is 1423772864629. The next prime is 1423772864653. The reversal of 1423772864640 is 464682773241.

1423772864640 is a `hidden beast` number, since 1 + 4 + 2 + 37 + 72 + 86 + 464 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26947689 + ... + 27000471.

It is an arithmetic number, because the mean of its divisors is an integer number (11306332800).

Almost surely, 2^{1423772864640} is an apocalyptic number.

1423772864640 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 1423772864640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2894421196800).

1423772864640 is an abundant number, since it is smaller than the sum of its proper divisors (4365069528960).

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

1423772864640 is a wasteful number, since it uses less digits than its factorization.

1423772864640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53041 (or 53023 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 54.

The spelling of 1423772864640 in words is "one trillion, four hundred twenty-three billion, seven hundred seventy-two million, eight hundred sixty-four thousand, six hundred forty".