40631254 has 8 divisors (see below), whose sum is σ = 62594208. Its totient is φ = 19766520.

The previous prime is 40631251. The next prime is 40631273. The reversal of 40631254 is 45213604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40631254² = 3301797603225032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40631251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274462 + ... + 274609.

It is an arithmetic number, because the mean of its divisors is an integer number (7824276).

Almost surely, 2^40631254 is an apocalyptic number.

40631254 is a deficient number, since it is larger than the sum of its proper divisors (21962954).

40631254 is a wasteful number, since it uses less digits than its factorization.

40631254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549110.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 40631254 is about 6374.2649772346. The cubic root of 40631254 is about 343.7848562341.

Adding to 40631254 its reverse (45213604), we get a palindrome (85844858).

The spelling of 40631254 in words is "forty million, six hundred thirty-one thousand, two hundred fifty-four".