245044440542 has 32 divisors (see below), whose sum is σ = 422141829120. Its totient is φ = 105507601920.

The previous prime is 245044440499. The next prime is 245044440587.

245044440542 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 245044440496 and 245044440505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3524003 + ... + 3592865.

It is an arithmetic number, because the mean of its divisors is an integer number (13191932160).

Almost surely, 2^245044440542 is an apocalyptic number.

245044440542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245044440542 is a deficient number, since it is larger than the sum of its proper divisors (177097388578).

245044440542 is a wasteful number, since it uses less digits than its factorization.

245044440542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77408.

The product of its (nonzero) digits is 409600, while the sum is 38.

It can be divided in two parts, 245044 and 440542, that added together give a palindrome (685586).

The spelling of 245044440542 in words is "two hundred forty-five billion, forty-four million, four hundred forty thousand, five hundred forty-two".