245801607390 has 24 divisors (see below), whose sum is σ = 639084179448. Its totient is φ = 65547095280.

The previous prime is 245801607383. The next prime is 245801607397. The reversal of 245801607390 is 93706108542.

245801607390 is a `hidden beast` number, since 2 + 4 + 5 + 8 + 0 + 1 + 607 + 39 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (245801607383) and next prime (245801607397).

It is a super-2 number, since 2×245801607390² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245801607397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1365564396 + ... + 1365564575.

It is an arithmetic number, because the mean of its divisors is an integer number (26628507477).

It is a 1-persistent number, because it is pandigital, but 2⋅245801607390 = 491603214780 is not.

Almost surely, 2^245801607390 is an apocalyptic number.

245801607390 is an abundant number, since it is smaller than the sum of its proper divisors (393282572058).

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

245801607390 is a wasteful number, since it uses less digits than its factorization.

245801607390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731128984 (or 2731128981 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 245801607390 in words is "two hundred forty-five billion, eight hundred one million, six hundred seven thousand, three hundred ninety".