40438054 has 8 divisors (see below), whose sum is σ = 62136648. Its totient is φ = 19725840.

The previous prime is 40438033. The next prime is 40438063. The reversal of 40438054 is 45083404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40438054² = 3270472422613832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246492 + ... + 246655.

It is an arithmetic number, because the mean of its divisors is an integer number (7767081).

Almost surely, 2^40438054 is an apocalyptic number.

40438054 is a deficient number, since it is larger than the sum of its proper divisors (21698594).

40438054 is a wasteful number, since it uses less digits than its factorization.

40438054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493190.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 40438054 is about 6359.0922308141. The cubic root of 40438054 is about 343.2390958463.

The spelling of 40438054 in words is "forty million, four hundred thirty-eight thousand, fifty-four".