40024545551 has 16 divisors (see below), whose sum is σ = 42843433440. Its totient is φ = 37277521920.

The previous prime is 40024545523. The next prime is 40024545553. The reversal of 40024545551 is 15554542004.

It is a cyclic number.

It is not a de Polignac number, because 40024545551 - 2²² = 40020351247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40024545553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2626811 + ... + 2642003.

It is an arithmetic number, because the mean of its divisors is an integer number (2677714590).

Almost surely, 2^40024545551 is an apocalyptic number.

40024545551 is a deficient number, since it is larger than the sum of its proper divisors (2818887889).

40024545551 is a wasteful number, since it uses less digits than its factorization.

40024545551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17546.

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 40024545551 in words is "forty billion, twenty-four million, five hundred forty-five thousand, five hundred fifty-one".