156031077938428 has 24 divisors (see below), whose sum is σ = 340431442775424. Its totient is φ = 60791329066800.

The previous prime is 156031077938377. The next prime is 156031077938479. The reversal of 156031077938428 is 824839770130651.

It is an interprime number because it is at equal distance from previous prime (156031077938377) and next prime (156031077938479).

It is a super-2 number, since 2×156031077938428² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 156031077938428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253297204138 + ... + 253297204753.

It is an arithmetic number, because the mean of its divisors is an integer number (14184643448976).

It is a 1-persistent number, because it is pandigital, but 2⋅156031077938428 = 312062155876856 is not.

Almost surely, 2^{156031077938428} is an apocalyptic number.

It is an amenable number.

156031077938428 is an abundant number, since it is smaller than the sum of its proper divisors (184400364836996).

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

156031077938428 is a wasteful number, since it uses less digits than its factorization.

156031077938428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506594408913 (or 506594408911 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 64.

The spelling of 156031077938428 in words is "one hundred fifty-six trillion, thirty-one billion, seventy-seven million, nine hundred thirty-eight thousand, four hundred twenty-eight".