401354436 has 24 divisors (see below), whose sum is σ = 1070278720. Its totient is φ = 114672672.

The previous prime is 401354419. The next prime is 401354449. The reversal of 401354436 is 634453104.

It is a super-2 number, since 2×401354436² = 322170766593756192, which contains 22 as substring.

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, 2388931 + ... + 2389098.

Almost surely, 2^401354436 is an apocalyptic number.

It is an amenable number.

401354436 is an abundant number, since it is smaller than the sum of its proper divisors (668924284).

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

401354436 is a wasteful number, since it uses less digits than its factorization.

401354436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778043 (or 4778041 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 401354436 is about 20033.8322844133. The cubic root of 401354436 is about 737.6369936454.

The spelling of 401354436 in words is "four hundred one million, three hundred fifty-four thousand, four hundred thirty-six".