15942046380 has 48 divisors (see below), whose sum is σ = 48071403744. Its totient is φ = 3924195840.

The previous prime is 15942046369. The next prime is 15942046427. The reversal of 15942046380 is 8364024951.

15942046380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15942046380² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10218481 + ... + 10220040.

It is an arithmetic number, because the mean of its divisors is an integer number (1001487578).

Almost surely, 2^15942046380 is an apocalyptic number.

15942046380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15942046380 is an abundant number, since it is smaller than the sum of its proper divisors (32129357364).

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

15942046380 is a wasteful number, since it uses less digits than its factorization.

15942046380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20438546 (or 20438544 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 15942046380 in words is "fifteen billion, nine hundred forty-two million, forty-six thousand, three hundred eighty".