40370918892020 has 48 divisors (see below), whose sum is σ = 85070993317968. Its totient is φ = 16092762117120.

The previous prime is 40370918891999. The next prime is 40370918892041. The reversal of 40370918892020 is 2029881907304.

It is an interprime number because it is at equal distance from previous prime (40370918891999) and next prime (40370918892041).

It can be written as a sum of positive squares in 8 ways, for example, as 18368458792336 + 22002460099684 = 4285844^2 + 4690678^2 .

It is a super-2 number, since 2×40370918892020² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24369542 + ... + 25973378.

It is an arithmetic number, because the mean of its divisors is an integer number (1772312360791).

Almost surely, 2^{40370918892020} is an apocalyptic number.

It is an amenable number.

40370918892020 is an abundant number, since it is smaller than the sum of its proper divisors (44700074425948).

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

40370918892020 is a wasteful number, since it uses less digits than its factorization.

40370918892020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608180 (or 1608178 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 40370918892020 in words is "forty trillion, three hundred seventy billion, nine hundred eighteen million, eight hundred ninety-two thousand, twenty".