40025554 has 8 divisors (see below), whose sum is σ = 60088320. Its totient is φ = 19996116.

The previous prime is 40025551. The next prime is 40025567. The reversal of 40025554 is 45552004.

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

It is not an unprimeable number, because it can be changed into a prime (40025551) 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, 5074 + ... + 10285.

It is an arithmetic number, because the mean of its divisors is an integer number (7511040).

Almost surely, 2^40025554 is an apocalyptic number.

40025554 is a deficient number, since it is larger than the sum of its proper divisors (20062766).

40025554 is a wasteful number, since it uses less digits than its factorization.

40025554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16664.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 40025554 is about 6326.5752188684. The cubic root of 40025554 is about 342.0680017077.

Adding to 40025554 its reverse (45552004), we get a palindrome (85577558).

The spelling of 40025554 in words is "forty million, twenty-five thousand, five hundred fifty-four".