25032401042 has 16 divisors (see below), whose sum is σ = 41573488032. Its totient is φ = 11208537120.

The previous prime is 25032401033. The next prime is 25032401063. The reversal of 25032401042 is 24010423052.

It is a happy number.

It is a super-2 number, since 2×25032401042² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25032400999 and 25032401017.

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, 8489843 + ... + 8492790.

It is an arithmetic number, because the mean of its divisors is an integer number (2598343002).

Almost surely, 2^25032401042 is an apocalyptic number.

25032401042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25032401042 is a deficient number, since it is larger than the sum of its proper divisors (16541086990).

25032401042 is a wasteful number, since it uses less digits than its factorization.

25032401042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16982713.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 25032401042 its reverse (24010423052), we get a palindrome (49042824094).

The spelling of 25032401042 in words is "twenty-five billion, thirty-two million, four hundred one thousand, forty-two".