40890704 has 10 divisors (see below), whose sum is σ = 79225770. Its totient is φ = 20445344.

The previous prime is 40890701. The next prime is 40890709. The reversal of 40890704 is 40709804.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28302400 + 12588304 = 5320^2 + 3548^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40890701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277819 + ... + 1277850.

It is an arithmetic number, because the mean of its divisors is an integer number (7922577).

Almost surely, 2^40890704 is an apocalyptic number.

It is an amenable number.

40890704 is a deficient number, since it is larger than the sum of its proper divisors (38335066).

40890704 is a wasteful number, since it uses less digits than its factorization.

40890704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555677 (or 2555671 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 40890704 is about 6394.5839583197. The cubic root of 40890704 is about 344.5150478308.

The spelling of 40890704 in words is "forty million, eight hundred ninety thousand, seven hundred four".