2540100 has 36 divisors (see below), whose sum is σ = 7350224. Its totient is φ = 677280.

The previous prime is 2540099. The next prime is 2540113. The reversal of 2540100 is 10452.

2540100 = T₂₃ + T₂₄ + ... + T₂₄₇.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3934 + ... + 4533.

2^2540100 is an apocalyptic number.

2540100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540100 is an abundant number, since it is smaller than the sum of its proper divisors (4810124).

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

2540100 is a wasteful number, since it uses less digits than its factorization.

2540100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8484 (or 8477 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 2540100 is about 1593.7691175324. The cubic root of 2540100 is about 136.4426895157.

Adding to 2540100 its reverse (10452), we get a palindrome (2550552).

The spelling of 2540100 in words is "two million, five hundred forty thousand, one hundred".