40798420488 has 96 divisors (see below), whose sum is σ = 126320937600. Its totient is φ = 11652989184.

The previous prime is 40798420463. The next prime is 40798420489. The reversal of 40798420488 is 88402489704.

It is a super-2 number, since 2×40798420488² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (40798420489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1840173 + ... + 1862211.

It is an arithmetic number, because the mean of its divisors is an integer number (1315843100).

Almost surely, 2^40798420488 is an apocalyptic number.

It is an amenable number.

40798420488 is an abundant number, since it is smaller than the sum of its proper divisors (85522517112).

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

40798420488 is a wasteful number, since it uses less digits than its factorization.

40798420488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25731 (or 25724 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 54.

The spelling of 40798420488 in words is "forty billion, seven hundred ninety-eight million, four hundred twenty thousand, four hundred eighty-eight".