400544615101 has 8 divisors (see below), whose sum is σ = 403043857344. Its totient is φ = 398045884320.

The previous prime is 400544615087. The next prime is 400544615123. The reversal of 400544615101 is 101516445004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 400544615101 - 2³⁷ = 263105661629 is a prime.

It is a super-3 number, since 3×400544615101³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400544615131) 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, 1508361 + ... + 1753921.

It is an arithmetic number, because the mean of its divisors is an integer number (50380482168).

Almost surely, 2^400544615101 is an apocalyptic number.

It is an amenable number.

400544615101 is a deficient number, since it is larger than the sum of its proper divisors (2499242243).

400544615101 is a wasteful number, since it uses less digits than its factorization.

400544615101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255731.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 400544615101 in words is "four hundred billion, five hundred forty-four million, six hundred fifteen thousand, one hundred one".