40451235344 has 80 divisors (see below), whose sum is σ = 89917494912. Its totient is φ = 17463527424.

The previous prime is 40451235337. The next prime is 40451235379. The reversal of 40451235344 is 44353215404.

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, 541277 + ... + 611459.

Almost surely, 2^40451235344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40451235344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44958747456).

40451235344 is an abundant number, since it is smaller than the sum of its proper divisors (49466259568).

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

40451235344 is a wasteful number, since it uses less digits than its factorization.

40451235344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70384 (or 70378 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 40451235344 in words is "forty billion, four hundred fifty-one million, two hundred thirty-five thousand, three hundred forty-four".