745040423164086 has 160 divisors (see below), whose sum is σ = 1920855831121920. Its totient is φ = 211431372600384.

The previous prime is 745040423163991. The next prime is 745040423164087. The reversal of 745040423164086 is 680461324040547.

745040423164086 is a `hidden beast` number, since 7 + 4 + 50 + 4 + 0 + 423 + 164 + 0 + 8 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745040423164087) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 107659620 + ... + 114370776.

It is an arithmetic number, because the mean of its divisors is an integer number (12005348944512).

Almost surely, 2^{745040423164086} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745040423164086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960427915560960).

745040423164086 is an abundant number, since it is smaller than the sum of its proper divisors (1175815407957834).

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

745040423164086 is a wasteful number, since it uses less digits than its factorization.

745040423164086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711840 (or 6711831 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 54.

The spelling of 745040423164086 in words is "seven hundred forty-five trillion, forty billion, four hundred twenty-three million, one hundred sixty-four thousand, eighty-six".