40015054 has 4 divisors (see below), whose sum is σ = 60022584. Its totient is φ = 20007526.

The previous prime is 40015049. The next prime is 40015081. The reversal of 40015054 is 45051004.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10003762 + ... + 10003765.

It is an arithmetic number, because the mean of its divisors is an integer number (15005646).

Almost surely, 2^40015054 is an apocalyptic number.

40015054 is a deficient number, since it is larger than the sum of its proper divisors (20007530).

40015054 is a wasteful number, since it uses less digits than its factorization.

40015054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20007529.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 40015054 is about 6325.7453315795. The cubic root of 40015054 is about 342.0380872507.

Adding to 40015054 its reverse (45051004), we get a palindrome (85066058).

The spelling of 40015054 in words is "forty million, fifteen thousand, fifty-four".