400443416346412 has 24 divisors (see below), whose sum is σ = 705418624102752. Its totient is φ = 198895244592000.

The previous prime is 400443416346371. The next prime is 400443416346473. The reversal of 400443416346412 is 214643614344004.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436185738 + ... + 437102830.

It is an arithmetic number, because the mean of its divisors is an integer number (29392442670948).

Almost surely, 2^{400443416346412} is an apocalyptic number.

It is an amenable number.

400443416346412 is a deficient number, since it is larger than the sum of its proper divisors (304975207756340).

400443416346412 is a wasteful number, since it uses less digits than its factorization.

400443416346412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640169 (or 1640167 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 400443416346412 in words is "four hundred trillion, four hundred forty-three billion, four hundred sixteen million, three hundred forty-six thousand, four hundred twelve".