40620492 has 72 divisors (see below), whose sum is σ = 113760192. Its totient is φ = 12117600.

The previous prime is 40620479. The next prime is 40620511. The reversal of 40620492 is 29402604.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25767 + ... + 27297.

Almost surely, 2^40620492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40620492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56880096).

40620492 is an abundant number, since it is smaller than the sum of its proper divisors (73139700).

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

40620492 is a wasteful number, since it uses less digits than its factorization.

40620492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619 (or 1614 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 40620492 is about 6373.4207455651. The cubic root of 40620492 is about 343.7545007896.

The spelling of 40620492 in words is "forty million, six hundred twenty thousand, four hundred ninety-two".