400007615061 has 8 divisors (see below), whose sum is σ = 534547424160. Its totient is φ = 266069774672.

The previous prime is 400007615057. The next prime is 400007615101. The reversal of 400007615061 is 160516700004.

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 400007615061 - 2² = 400007615057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400007685061) 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, 150490626 + ... + 150493283.

It is an arithmetic number, because the mean of its divisors is an integer number (66818428020).

Almost surely, 2^400007615061 is an apocalyptic number.

It is an amenable number.

400007615061 is a deficient number, since it is larger than the sum of its proper divisors (134539809099).

400007615061 is a wasteful number, since it uses less digits than its factorization.

400007615061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300984355.

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 400007615061 in words is "four hundred billion, seven million, six hundred fifteen thousand, sixty-one".