25402453342 has 32 divisors (see below), whose sum is σ = 44056680192. Its totient is φ = 10759837824.

The previous prime is 25402453327. The next prime is 25402453361. The reversal of 25402453342 is 24335420452.

It is a junction number, because it is equal to n+sod(n) for n = 25402453298 and 25402453307.

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, 629053 + ... + 668215.

It is an arithmetic number, because the mean of its divisors is an integer number (1376771256).

Almost surely, 2^25402453342 is an apocalyptic number.

25402453342 is a deficient number, since it is larger than the sum of its proper divisors (18654226850).

25402453342 is a wasteful number, since it uses less digits than its factorization.

25402453342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39712.

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 25402453342 its reverse (24335420452), we get a palindrome (49737873794).

The spelling of 25402453342 in words is "twenty-five billion, four hundred two million, four hundred fifty-three thousand, three hundred forty-two".