401405001537 has 16 divisors (see below), whose sum is σ = 540155088000. Its totient is φ = 265129473024.

The previous prime is 401405001433. The next prime is 401405001553. The reversal of 401405001537 is 735100504104.

It is not a de Polignac number, because 401405001537 - 2⁷ = 401405001409 is a prime.

It is a super-2 number, since 2×401405001537² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401405001587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5762764 + ... + 5832002.

It is an arithmetic number, because the mean of its divisors is an integer number (33759693000).

Almost surely, 2^401405001537 is an apocalyptic number.

It is an amenable number.

401405001537 is a deficient number, since it is larger than the sum of its proper divisors (138750086463).

401405001537 is a wasteful number, since it uses less digits than its factorization.

401405001537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87080.

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 401405001537 in words is "four hundred one billion, four hundred five million, one thousand, five hundred thirty-seven".