24149038540 has 48 divisors (see below), whose sum is σ = 56672620704. Its totient is φ = 8567283200.

The previous prime is 24149038523. The next prime is 24149038547. The reversal of 24149038540 is 4583094142.

It is a junction number, because it is equal to n+sod(n) for n = 24149038493 and 24149038502.

It is not an unprimeable number, because it can be changed into a prime (24149038547) 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, 1329619 + ... + 1347658.

It is an arithmetic number, because the mean of its divisors is an integer number (1180679598).

Almost surely, 2^24149038540 is an apocalyptic number.

24149038540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24149038540 is an abundant number, since it is smaller than the sum of its proper divisors (32523582164).

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

24149038540 is a wasteful number, since it uses less digits than its factorization.

24149038540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677338 (or 2677336 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 24149038540 in words is "twenty-four billion, one hundred forty-nine million, thirty-eight thousand, five hundred forty".