40388006484 has 144 divisors (see below), whose sum is σ = 121107703808. Its totient is φ = 11528954208.

The previous prime is 40388006471. The next prime is 40388006501. The reversal of 40388006484 is 48460088304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10496649 + ... + 10500495.

Almost surely, 2^40388006484 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 40388006484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60553851904).

40388006484 is an abundant number, since it is smaller than the sum of its proper divisors (80719697324).

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

40388006484 is a wasteful number, since it uses less digits than its factorization.

40388006484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5416 (or 5402 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 40388006484 in words is "forty billion, three hundred eighty-eight million, six thousand, four hundred eighty-four".