40451252345 has 32 divisors (see below), whose sum is σ = 56355910656. Its totient is φ = 27298814400.

The previous prime is 40451252329. The next prime is 40451252353. The reversal of 40451252345 is 54325215404.

It is not a de Polignac number, because 40451252345 - 2⁴ = 40451252329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2738630 + ... + 2753360.

It is an arithmetic number, because the mean of its divisors is an integer number (1761122208).

Almost surely, 2^40451252345 is an apocalyptic number.

It is an amenable number.

40451252345 is a deficient number, since it is larger than the sum of its proper divisors (15904658311).

40451252345 is a wasteful number, since it uses less digits than its factorization.

40451252345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15981.

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 40451252345 its reverse (54325215404), we get a palindrome (94776467749).

The spelling of 40451252345 in words is "forty billion, four hundred fifty-one million, two hundred fifty-two thousand, three hundred forty-five".