40354492 has 6 divisors (see below), whose sum is σ = 70620368. Its totient is φ = 20177244.

The previous prime is 40354487. The next prime is 40354519. The reversal of 40354492 is 29445304.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5044308 + ... + 5044315.

Almost surely, 2^40354492 is an apocalyptic number.

It is an amenable number.

40354492 is a deficient number, since it is larger than the sum of its proper divisors (30265876).

40354492 is a wasteful number, since it uses less digits than its factorization.

40354492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10088627 (or 10088625 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 40354492 is about 6352.5185556596. The cubic root of 40354492 is about 343.0025074403.

Adding to 40354492 its reverse (29445304), we get a palindrome (69799796).

The spelling of 40354492 in words is "forty million, three hundred fifty-four thousand, four hundred ninety-two".