401600156122 has 16 divisors (see below), whose sum is σ = 659782083744. Its totient is φ = 181818250000.

The previous prime is 401600156107. The next prime is 401600156123. The reversal of 401600156122 is 221651006104.

It is a super-2 number, since 2×401600156122² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401600156123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36358129 + ... + 36369172.

It is an arithmetic number, because the mean of its divisors is an integer number (41236380234).

Almost surely, 2^401600156122 is an apocalyptic number.

401600156122 is a deficient number, since it is larger than the sum of its proper divisors (258181927622).

401600156122 is a wasteful number, since it uses less digits than its factorization.

401600156122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72727565.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 401600156122 in words is "four hundred one billion, six hundred million, one hundred fifty-six thousand, one hundred twenty-two".