40501525500 has 384 divisors, whose sum is σ = 133915541760. Its totient is φ = 10567065600.

The previous prime is 40501525499. The next prime is 40501525529. The reversal of 40501525500 is 552510504.

40501525500 is a `hidden beast` number, since 4 + 0 + 5 + 0 + 152 + 5 + 500 = 666.

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 127 ways as a sum of consecutive naturals, for example, 205591402 + ... + 205591598.

It is an arithmetic number, because the mean of its divisors is an integer number (348738390).

Almost surely, 2^40501525500 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 40501525500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66957770880).

40501525500 is an abundant number, since it is smaller than the sum of its proper divisors (93414016260).

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

40501525500 is a wasteful number, since it uses less digits than its factorization.

40501525500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The spelling of 40501525500 in words is "forty billion, five hundred one million, five hundred twenty-five thousand, five hundred".