40891662 has 32 divisors (see below), whose sum is σ = 103852800. Its totient is φ = 11683224.

The previous prime is 40891657. The next prime is 40891691. The reversal of 40891662 is 26619804.

It is a super-2 number, since 2×40891662² = 3344256042244488, which contains 22 as substring.

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, 53712 + ... + 54467.

It is an arithmetic number, because the mean of its divisors is an integer number (3245400).

Almost surely, 2^40891662 is an apocalyptic number.

40891662 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

40891662 is an abundant number, since it is smaller than the sum of its proper divisors (62961138).

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

40891662 is a wasteful number, since it uses less digits than its factorization.

40891662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108197 (or 108191 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 40891662 is about 6394.6588650217. The cubic root of 40891662 is about 344.5177382780.

The spelling of 40891662 in words is "forty million, eight hundred ninety-one thousand, six hundred sixty-two".