25928963142 has 32 divisors (see below), whose sum is σ = 55127205504. Its totient is φ = 8102160000.

The previous prime is 25928963141. The next prime is 25928963143. The reversal of 25928963142 is 24136982952.

It is an interprime number because it is at equal distance from previous prime (25928963141) and next prime (25928963143).

It is a super-2 number, since 2×25928963142² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25928963141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480784 + ... + 531987.

It is an arithmetic number, because the mean of its divisors is an integer number (1722725172).

Almost surely, 2^25928963142 is an apocalyptic number.

25928963142 is an abundant number, since it is smaller than the sum of its proper divisors (29198242362).

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

25928963142 is a wasteful number, since it uses less digits than its factorization.

25928963142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013044.

The product of its digits is 1866240, while the sum is 51.

The spelling of 25928963142 in words is "twenty-five billion, nine hundred twenty-eight million, nine hundred sixty-three thousand, one hundred forty-two".