40744361720 has 64 divisors (see below), whose sum is σ = 99435016800. Its totient is φ = 14964920320.

The previous prime is 40744361717. The next prime is 40744361731. The reversal of 40744361720 is 2716344704.

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, 702830 + ... + 758589.

Almost surely, 2^40744361720 is an apocalyptic number.

40744361720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40744361720 is an abundant number, since it is smaller than the sum of its proper divisors (58690655080).

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

40744361720 is a wasteful number, since it uses less digits than its factorization.

40744361720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461488 (or 1461484 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 40744361720 in words is "forty billion, seven hundred forty-four million, three hundred sixty-one thousand, seven hundred twenty".