25433278942 has 8 divisors (see below), whose sum is σ = 38151581832. Its totient is φ = 12716085000.

The previous prime is 25433278933. The next prime is 25433278967. The reversal of 25433278942 is 24987233452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217309 + ... + 313192.

It is an arithmetic number, because the mean of its divisors is an integer number (4768947729).

Almost surely, 2^25433278942 is an apocalyptic number.

25433278942 is a deficient number, since it is larger than the sum of its proper divisors (12718302890).

25433278942 is a wasteful number, since it uses less digits than its factorization.

25433278942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554474.

The product of its digits is 2903040, while the sum is 49.

The spelling of 25433278942 in words is "twenty-five billion, four hundred thirty-three million, two hundred seventy-eight thousand, nine hundred forty-two".