2540405750 has 32 divisors (see below), whose sum is σ = 4804712640. Its totient is φ = 1005676800.

The previous prime is 2540405737. The next prime is 2540405753. The reversal of 2540405750 is 575040452.

It is a super-2 number, since 2×2540405750² = 12907322749266125000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540405753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28130 + ... + 76629.

It is an arithmetic number, because the mean of its divisors is an integer number (150147270).

Almost surely, 2^2540405750 is an apocalyptic number.

2540405750 is a deficient number, since it is larger than the sum of its proper divisors (2264306890).

2540405750 is a wasteful number, since it uses less digits than its factorization.

2540405750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104873 (or 104863 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 2540405750 is about 50402.4379370681. The cubic root of 2540405750 is about 1364.4816379872.

The spelling of 2540405750 in words is "two billion, five hundred forty million, four hundred five thousand, seven hundred fifty".