245694374442 has 240 divisors, whose sum is σ = 632527685856. Its totient is φ = 70665566400.

The previous prime is 245694374399. The next prime is 245694374483. The reversal of 245694374442 is 244473496542.

245694374442 is a `hidden beast` number, since 2 + 4 + 569 + 4 + 3 + 74 + 4 + 4 + 2 = 666.

245694374442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245694374442² (a number of 24 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 90761253 + ... + 90763959.

Almost surely, 2^245694374442 is an apocalyptic number.

245694374442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 245694374442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316263842928).

245694374442 is an abundant number, since it is smaller than the sum of its proper divisors (386833311414).

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

245694374442 is a wasteful number, since it uses less digits than its factorization.

245694374442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847 (or 2807 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 54.

The spelling of 245694374442 in words is "two hundred forty-five billion, six hundred ninety-four million, three hundred seventy-four thousand, four hundred forty-two".