2520000278 has 8 divisors (see below), whose sum is σ = 3780433272. Its totient is φ = 1259855856.

The previous prime is 2520000277. The next prime is 2520000281. The reversal of 2520000278 is 8720000252.

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

It is a super-2 number, since 2×2520000278² = 12700802802240154568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520000277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48800 + ... + 86147.

It is an arithmetic number, because the mean of its divisors is an integer number (472554159).

Almost surely, 2^2520000278 is an apocalyptic number.

2520000278 is a deficient number, since it is larger than the sum of its proper divisors (1260432994).

2520000278 is a wasteful number, since it uses less digits than its factorization.

2520000278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144286.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2520000278 is about 50199.6043609907. The cubic root of 2520000278 is about 1360.8184732313.

Subtracting from 2520000278 its sum of digits (26), we obtain a palindrome (2520000252).

The spelling of 2520000278 in words is "two billion, five hundred twenty million, two hundred seventy-eight", and thus it is an aban number.