39973351740 has 96 divisors (see below), whose sum is σ = 127996775424. Its totient is φ = 9130905600.

The previous prime is 39973351739. The next prime is 39973351763. The reversal of 39973351740 is 4715337993.

It is a happy number.

39973351740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39973351740² (a number of 22 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 31 ways as a sum of consecutive naturals, for example, 642697 + ... + 702143.

It is an arithmetic number, because the mean of its divisors is an integer number (1333299744).

Almost surely, 2^39973351740 is an apocalyptic number.

39973351740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39973351740 is an abundant number, since it is smaller than the sum of its proper divisors (88023423684).

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

39973351740 is a wasteful number, since it uses less digits than its factorization.

39973351740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61067 (or 61065 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 51.

The spelling of 39973351740 in words is "thirty-nine billion, nine hundred seventy-three million, three hundred fifty-one thousand, seven hundred forty".