25420692294 has 32 divisors (see below), whose sum is σ = 56527994880. Its totient is φ = 8467929000.

The previous prime is 25420692281. The next prime is 25420692307. The reversal of 25420692294 is 49229602452.

25420692294 is a `hidden beast` number, since 254 + 20 + 6 + 92 + 294 = 666.

It is an interprime number because it is at equal distance from previous prime (25420692281) and next prime (25420692307).

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, 74182 + ... + 237369.

It is an arithmetic number, because the mean of its divisors is an integer number (1766499840).

Almost surely, 2^25420692294 is an apocalyptic number.

25420692294 is an abundant number, since it is smaller than the sum of its proper divisors (31107302586).

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

25420692294 is a wasteful number, since it uses less digits than its factorization.

25420692294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313073 (or 313067 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 25420692294 in words is "twenty-five billion, four hundred twenty million, six hundred ninety-two thousand, two hundred ninety-four".