40018800960 has 168 divisors, whose sum is σ = 137841593760. Its totient is φ = 10656672768.

The previous prime is 40018800931. The next prime is 40018800971. The reversal of 40018800960 is 6900881004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2118919 + ... + 2137721.

Almost surely, 2^40018800960 is an apocalyptic number.

40018800960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40018800960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68920796880).

40018800960 is an abundant number, since it is smaller than the sum of its proper divisors (97822792800).

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

40018800960 is a wasteful number, since it uses less digits than its factorization.

40018800960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19565 (or 19552 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 40018800960 in words is "forty billion, eighteen million, eight hundred thousand, nine hundred sixty".