400486748087 has 4 divisors (see below), whose sum is σ = 402583537536. Its totient is φ = 398389958640.

The previous prime is 400486748071. The next prime is 400486748131. The reversal of 400486748087 is 780847684004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 400486748087 - 2⁴ = 400486748071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400486798087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048394438 + ... + 1048394819.

It is an arithmetic number, because the mean of its divisors is an integer number (100645884384).

Almost surely, 2^400486748087 is an apocalyptic number.

400486748087 is a deficient number, since it is larger than the sum of its proper divisors (2096789449).

400486748087 is a wasteful number, since it uses less digits than its factorization.

400486748087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096789448.

The product of its (nonzero) digits is 9633792, while the sum is 56.

The spelling of 400486748087 in words is "four hundred billion, four hundred eighty-six million, seven hundred forty-eight thousand, eighty-seven".