2495942540 has 48 divisors (see below), whose sum is σ = 6451056192. Its totient is φ = 789924096.

The previous prime is 2495942513. The next prime is 2495942569. The reversal of 2495942540 is 452495942.

It is a junction number, because it is equal to n+sod(n) for n = 2495942491 and 2495942500.

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, 683879 + ... + 687518.

It is an arithmetic number, because the mean of its divisors is an integer number (134397004).

Almost surely, 2^2495942540 is an apocalyptic number.

2495942540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2495942540 is an abundant number, since it is smaller than the sum of its proper divisors (3955113652).

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

2495942540 is a wasteful number, since it uses less digits than its factorization.

2495942540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371426 (or 1371424 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 2495942540 is about 49959.4089236452. The cubic root of 2495942540 is about 1356.4741679907.

The spelling of 2495942540 in words is "two billion, four hundred ninety-five million, nine hundred forty-two thousand, five hundred forty".