40491354 has 16 divisors (see below), whose sum is σ = 82958400. Its totient is φ = 13167840.

The previous prime is 40491349. The next prime is 40491377. The reversal of 40491354 is 45319404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82054 + ... + 82545.

It is an arithmetic number, because the mean of its divisors is an integer number (5184900).

Almost surely, 2^40491354 is an apocalyptic number.

40491354 is an abundant number, since it is smaller than the sum of its proper divisors (42467046).

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

40491354 is a wasteful number, since it uses less digits than its factorization.

40491354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164645.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40491354 is about 6363.2817005064. The cubic root of 40491354 is about 343.3898334976.

The spelling of 40491354 in words is "forty million, four hundred ninety-one thousand, three hundred fifty-four".