400630662440412 has 48 divisors (see below), whose sum is σ = 947376814114080. Its totient is φ = 131754130117632.

The previous prime is 400630662440401. The next prime is 400630662440431. The reversal of 400630662440412 is 214044266036004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409930243 + ... + 410906394.

It is an arithmetic number, because the mean of its divisors is an integer number (19737016960710).

Almost surely, 2^{400630662440412} is an apocalyptic number.

It is an amenable number.

400630662440412 is an abundant number, since it is smaller than the sum of its proper divisors (546746151673668).

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

400630662440412 is a wasteful number, since it uses less digits than its factorization.

400630662440412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820837190 (or 820837188 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 400630662440412 in words is "four hundred trillion, six hundred thirty billion, six hundred sixty-two million, four hundred forty thousand, four hundred twelve".