400101916 has 6 divisors (see below), whose sum is σ = 700178360. Its totient is φ = 200050956.

The previous prime is 400101901. The next prime is 400101937. The reversal of 400101916 is 619101004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50012736 + ... + 50012743.

Almost surely, 2^400101916 is an apocalyptic number.

It is an amenable number.

400101916 is a deficient number, since it is larger than the sum of its proper divisors (300076444).

400101916 is a wasteful number, since it uses less digits than its factorization.

400101916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100025483 (or 100025481 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 400101916 is about 20002.5477377258. The cubic root of 400101916 is about 736.8688713732.

The spelling of 400101916 in words is "four hundred million, one hundred one thousand, nine hundred sixteen".