445037620440413 has 64 divisors (see below), whose sum is σ = 598006480748544. Its totient is φ = 319853439360000.

The previous prime is 445037620440409. The next prime is 445037620440437. The reversal of 445037620440413 is 314044026730544.

It is not a de Polignac number, because 445037620440413 - 2² = 445037620440409 is a prime.

It is a super-2 number, since 2×445037620440413² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445037620440443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7427042693 + ... + 7427102613.

It is an arithmetic number, because the mean of its divisors is an integer number (9343851261696).

Almost surely, 2^{445037620440413} is an apocalyptic number.

It is an amenable number.

445037620440413 is a deficient number, since it is larger than the sum of its proper divisors (152968860308131).

445037620440413 is a wasteful number, since it uses less digits than its factorization.

445037620440413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65706.

The product of its (nonzero) digits is 3870720, while the sum is 47.

The spelling of 445037620440413 in words is "four hundred forty-five trillion, thirty-seven billion, six hundred twenty million, four hundred forty thousand, four hundred thirteen".