2402137540 has 48 divisors (see below), whose sum is σ = 5557616064. Its totient is φ = 864848000.

The previous prime is 2402137537. The next prime is 2402137547. The reversal of 2402137540 is 457312042.

It is a super-2 number, since 2×2402137540² = 11540529522154503200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2402137499 and 2402137508.

It is not an unprimeable number, because it can be changed into a prime (2402137547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31834 + ... + 76273.

It is an arithmetic number, because the mean of its divisors is an integer number (115783668).

Almost surely, 2^2402137540 is an apocalyptic number.

2402137540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402137540 is an abundant number, since it is smaller than the sum of its proper divisors (3155478524).

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

2402137540 is a wasteful number, since it uses less digits than its factorization.

2402137540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108228 (or 108226 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2402137540 is about 49011.6061764966. The cubic root of 2402137540 is about 1339.2632654699.

Adding to 2402137540 its reverse (457312042), we get a palindrome (2859449582).

The spelling of 2402137540 in words is "two billion, four hundred two million, one hundred thirty-seven thousand, five hundred forty".