156377254428 has 288 divisors, whose sum is σ = 442433904640. Its totient is φ = 48146192640.

The previous prime is 156377254421. The next prime is 156377254433. The reversal of 156377254428 is 824452773651.

156377254428 is a `hidden beast` number, since 1 + 5 + 6 + 3 + 7 + 72 + 544 + 28 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156377254421) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 143071050 + ... + 143072142.

Almost surely, 2^156377254428 is an apocalyptic number.

156377254428 is a gapful number since it is divisible by the number (18) 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 156377254428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221216952320).

156377254428 is an abundant number, since it is smaller than the sum of its proper divisors (286056650212).

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

156377254428 is a wasteful number, since it uses less digits than its factorization.

156377254428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319 (or 1305 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The spelling of 156377254428 in words is "one hundred fifty-six billion, three hundred seventy-seven million, two hundred fifty-four thousand, four hundred twenty-eight".