40090983980 has 48 divisors (see below), whose sum is σ = 89509178304. Its totient is φ = 15049731840.

The previous prime is 40090983943. The next prime is 40090983983. The reversal of 40090983980 is 8938909004.

It is not an unprimeable number, because it can be changed into a prime (40090983983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 797831 + ... + 846590.

It is an arithmetic number, because the mean of its divisors is an integer number (1864774548).

Almost surely, 2^40090983980 is an apocalyptic number.

It is an amenable number.

40090983980 is an abundant number, since it is smaller than the sum of its proper divisors (49418194324).

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

40090983980 is a wasteful number, since it uses less digits than its factorization.

40090983980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644506 (or 1644504 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The spelling of 40090983980 in words is "forty billion, ninety million, nine hundred eighty-three thousand, nine hundred eighty".