400266792630 has 24 divisors (see below), whose sum is σ = 1040693661072. Its totient is φ = 106737811344.

The previous prime is 400266792571. The next prime is 400266792631. The reversal of 400266792630 is 36297662004.

400266792630 is a `hidden beast` number, since 4 + 0 + 0 + 2 + 6 + 6 + 7 + 9 + 2 + 630 = 666.

400266792630 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×400266792630³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400266792631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2223704314 + ... + 2223704493.

It is an arithmetic number, because the mean of its divisors is an integer number (43362235878).

Almost surely, 2^400266792630 is an apocalyptic number.

400266792630 is an abundant number, since it is smaller than the sum of its proper divisors (640426868442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400266792630 is a wasteful number, since it uses less digits than its factorization.

400266792630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447408820 (or 4447408817 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 400266792630 in words is "four hundred billion, two hundred sixty-six million, seven hundred ninety-two thousand, six hundred thirty".