40387466 has 24 divisors (see below), whose sum is σ = 71535456. Its totient is φ = 17047800.

The previous prime is 40387441. The next prime is 40387481. The reversal of 40387466 is 66478304.

It is a happy number.

It is a super-2 number, since 2×40387466² = 3262294819802312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3491 + ... + 9641.

It is an arithmetic number, because the mean of its divisors is an integer number (2980644).

Almost surely, 2^40387466 is an apocalyptic number.

40387466 is a deficient number, since it is larger than the sum of its proper divisors (31147990).

40387466 is a wasteful number, since it uses less digits than its factorization.

40387466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6234 (or 6227 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 40387466 is about 6355.1133742837. The cubic root of 40387466 is about 343.0959054321.

The spelling of 40387466 in words is "forty million, three hundred eighty-seven thousand, four hundred sixty-six".