40207054 has 8 divisors (see below), whose sum is σ = 60715800. Its totient is φ = 19968456.

The previous prime is 40207051. The next prime is 40207061. The reversal of 40207054 is 45070204.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40207051) 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, 67164 + ... + 67759.

It is an arithmetic number, because the mean of its divisors is an integer number (7589475).

Almost surely, 2^40207054 is an apocalyptic number.

40207054 is a deficient number, since it is larger than the sum of its proper divisors (20508746).

40207054 is a wasteful number, since it uses less digits than its factorization.

40207054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135074.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 40207054 is about 6340.9032479608. The cubic root of 40207054 is about 342.5842696723.

Adding to 40207054 its reverse (45070204), we get a palindrome (85277258).

The spelling of 40207054 in words is "forty million, two hundred seven thousand, fifty-four".