2761252040 has 32 divisors (see below), whose sum is σ = 6219980280. Its totient is φ = 1103227392.

The previous prime is 2761252027. The next prime is 2761252073. The reversal of 2761252040 is 402521672.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2670202276 + 91049764 = 51674^2 + 9542^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2761251994 and 2761252012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4277 + ... + 74436.

Almost surely, 2^2761252040 is an apocalyptic number.

2761252040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2761252040 is an abundant number, since it is smaller than the sum of its proper divisors (3458728240).

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

2761252040 is a wasteful number, since it uses less digits than its factorization.

2761252040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79601 (or 79597 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2761252040 is about 52547.6168822146. The cubic root of 2761252040 is about 1402.9278928847.

The spelling of 2761252040 in words is "two billion, seven hundred sixty-one million, two hundred fifty-two thousand, forty".