40375554 has 8 divisors (see below), whose sum is σ = 80751120. Its totient is φ = 13458516.

The previous prime is 40375549. The next prime is 40375579. The reversal of 40375554 is 45557304.

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

40375554 is an admirable 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, 3364624 + ... + 3364635.

It is an arithmetic number, because the mean of its divisors is an integer number (10093890).

Almost surely, 2^40375554 is an apocalyptic number.

40375554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40375554 is a wasteful number, since it uses less digits than its factorization.

40375554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729264.

The product of its (nonzero) digits is 42000, while the sum is 33.

The square root of 40375554 is about 6354.1761070968. The cubic root of 40375554 is about 343.0621708711.

It can be divided in two parts, 4037 and 5554, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 40375554 in words is "forty million, three hundred seventy-five thousand, five hundred fifty-four".