40631246 has 16 divisors (see below), whose sum is σ = 63464688. Its totient is φ = 19492800.

The previous prime is 40631221. The next prime is 40631249. The reversal of 40631246 is 64213604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40631249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 941 + ... + 9063.

It is an arithmetic number, because the mean of its divisors is an integer number (3966543).

Almost surely, 2^40631246 is an apocalyptic number.

40631246 is a deficient number, since it is larger than the sum of its proper divisors (22833442).

40631246 is a wasteful number, since it uses less digits than its factorization.

40631246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8227.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 40631246 is about 6374.2643497113. The cubic root of 40631246 is about 343.7848336711.

The spelling of 40631246 in words is "forty million, six hundred thirty-one thousand, two hundred forty-six".