3746946837040 has 80 divisors (see below), whose sum is σ = 9504377993376. Its totient is φ = 1362417408000.

The previous prime is 3746946837013. The next prime is 3746946837077. The reversal of 3746946837040 is 407386496473.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3746946837040² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3746946837040.

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, 11305690 + ... + 11632390.

Almost surely, 2^{3746946837040} is an apocalyptic number.

It is an amenable number.

3746946837040 is an abundant number, since it is smaller than the sum of its proper divisors (5757431156336).

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

3746946837040 is a wasteful number, since it uses less digits than its factorization.

3746946837040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339758 (or 339752 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 61.

The spelling of 3746946837040 in words is "three trillion, seven hundred forty-six billion, nine hundred forty-six million, eight hundred thirty-seven thousand, forty".