40616434451 has 4 divisors (see below), whose sum is σ = 40989062400. Its totient is φ = 40243806504.

The previous prime is 40616434433. The next prime is 40616434487. The reversal of 40616434451 is 15443461604.

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

It is a cyclic number.

It is not a de Polignac number, because 40616434451 - 2²⁶ = 40549325587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40616424451) 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, 186313811 + ... + 186314028.

It is an arithmetic number, because the mean of its divisors is an integer number (10247265600).

Almost surely, 2^40616434451 is an apocalyptic number.

40616434451 is a deficient number, since it is larger than the sum of its proper divisors (372627949).

40616434451 is a wasteful number, since it uses less digits than its factorization.

40616434451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372627948.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 40616434451 in words is "forty billion, six hundred sixteen million, four hundred thirty-four thousand, four hundred fifty-one".