40502037312 has 280 divisors, whose sum is σ = 136674343872. Its totient is φ = 11739340800.

The previous prime is 40502037293. The next prime is 40502037353. The reversal of 40502037312 is 21373020504.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1296112 + ... + 1326992.

Almost surely, 2^40502037312 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 40502037312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68337171936).

40502037312 is an abundant number, since it is smaller than the sum of its proper divisors (96172306560).

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

40502037312 is a wasteful number, since it uses less digits than its factorization.

40502037312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30939 (or 30920 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

Adding to 40502037312 its reverse (21373020504), we get a palindrome (61875057816).

The spelling of 40502037312 in words is "forty billion, five hundred two million, thirty-seven thousand, three hundred twelve".