745620351456 has 48 divisors (see below), whose sum is σ = 1960297524864. Its totient is φ = 248153564544.

The previous prime is 745620351409. The next prime is 745620351491. The reversal of 745620351456 is 654153026547.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×745620351456² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5977836 + ... + 6101291.

It is an arithmetic number, because the mean of its divisors is an integer number (40839531768).

Almost surely, 2^745620351456 is an apocalyptic number.

It is an amenable number.

745620351456 is an abundant number, since it is smaller than the sum of its proper divisors (1214677173408).

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

745620351456 is a wasteful number, since it uses less digits than its factorization.

745620351456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12079783 (or 12079775 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 745620351456 in words is "seven hundred forty-five billion, six hundred twenty million, three hundred fifty-one thousand, four hundred fifty-six".