40111816 has 32 divisors (see below), whose sum is σ = 78863040. Its totient is φ = 19090368.

The previous prime is 40111801. The next prime is 40111829. The reversal of 40111816 is 61811104.

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, 50575 + ... + 51361.

It is an arithmetic number, because the mean of its divisors is an integer number (2464470).

Almost surely, 2^40111816 is an apocalyptic number.

40111816 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40111816 is a deficient number, since it is larger than the sum of its proper divisors (38751224).

40111816 is a wasteful number, since it uses less digits than its factorization.

40111816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 40111816 is about 6333.3889822117. The cubic root of 40111816 is about 342.3135639753.

The spelling of 40111816 in words is "forty million, one hundred eleven thousand, eight hundred sixteen".