40032677550 has 72 divisors (see below), whose sum is σ = 100786658616. Its totient is φ = 10515869760.

The previous prime is 40032677537. The next prime is 40032677561. The reversal of 40032677550 is 5577623004.

It is a junction number, because it is equal to n+sod(n) for n = 40032677499 and 40032677508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 643624 + ... + 703076.

It is an arithmetic number, because the mean of its divisors is an integer number (1399814703).

Almost surely, 2^40032677550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40032677550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50393329308).

40032677550 is an abundant number, since it is smaller than the sum of its proper divisors (60753981066).

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

40032677550 is a wasteful number, since it uses less digits than its factorization.

40032677550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59602 (or 59530 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 39.

The spelling of 40032677550 in words is "forty billion, thirty-two million, six hundred seventy-seven thousand, five hundred fifty".