40902774 has 16 divisors (see below), whose sum is σ = 89242560. Its totient is φ = 12394760.

The previous prime is 40902767. The next prime is 40902779. The reversal of 40902774 is 47720904.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40902779) 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, 309804 + ... + 309935.

It is an arithmetic number, because the mean of its divisors is an integer number (5577660).

Almost surely, 2^40902774 is an apocalyptic number.

40902774 is an abundant number, since it is smaller than the sum of its proper divisors (48339786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40902774 is a wasteful number, since it uses less digits than its factorization.

40902774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619755.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 40902774 is about 6395.5276561047. The cubic root of 40902774 is about 344.5489421486.

The spelling of 40902774 in words is "forty million, nine hundred two thousand, seven hundred seventy-four".