40749292 has 12 divisors (see below), whose sum is σ = 73770480. Its totient is φ = 19672016.

The previous prime is 40749287. The next prime is 40749299. The reversal of 40749292 is 29294704.

It is not an unprimeable number, because it can be changed into a prime (40749299) 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, 175528 + ... + 175759.

It is an arithmetic number, because the mean of its divisors is an integer number (6147540).

Almost surely, 2^40749292 is an apocalyptic number.

It is an amenable number.

40749292 is a deficient number, since it is larger than the sum of its proper divisors (33021188).

40749292 is a wasteful number, since it uses less digits than its factorization.

40749292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351320 (or 351318 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 40749292 is about 6383.5172123211. The cubic root of 40749292 is about 344.1174445752.

It can be divided in two parts, 40749 and 292, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 40749292 in words is "forty million, seven hundred forty-nine thousand, two hundred ninety-two".