40512054 has 32 divisors (see below), whose sum is σ = 93591936. Its totient is φ = 11553920.

The previous prime is 40512049. The next prime is 40512067. The reversal of 40512054 is 45021504.

It is a self number, because there is not a number n which added to its sum of digits gives 40512054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16932 + ... + 19175.

It is an arithmetic number, because the mean of its divisors is an integer number (2924748).

Almost surely, 2^40512054 is an apocalyptic number.

40512054 is an abundant number, since it is smaller than the sum of its proper divisors (53079882).

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

40512054 is a wasteful number, since it uses less digits than its factorization.

40512054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36140.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 40512054 is about 6364.9080119040. The cubic root of 40512054 is about 343.4483394741.

Adding to 40512054 its reverse (45021504), we get a palindrome (85533558).

It can be divided in two parts, 4051 and 2054, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 40512054 in words is "forty million, five hundred twelve thousand, fifty-four".