25031003340 has 48 divisors (see below), whose sum is σ = 80099212032. Its totient is φ = 5721372096.

The previous prime is 25031003323. The next prime is 25031003369. The reversal of 25031003340 is 4330013052.

It is a super-2 number, since 2×25031003340² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 29798394 + ... + 29799233.

It is an arithmetic number, because the mean of its divisors is an integer number (1668733584).

Almost surely, 2^25031003340 is an apocalyptic number.

25031003340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25031003340 is an abundant number, since it is smaller than the sum of its proper divisors (55068208692).

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

25031003340 is a wasteful number, since it uses less digits than its factorization.

25031003340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59597646 (or 59597644 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 25031003340 its reverse (4330013052), we get a palindrome (29361016392).

The spelling of 25031003340 in words is "twenty-five billion, thirty-one million, three thousand, three hundred forty".