1540362340 has 48 divisors (see below), whose sum is σ = 3610918080. Its totient is φ = 547102080.

The previous prime is 1540362337. The next prime is 1540362391. The reversal of 1540362340 is 432630451.

It is a super-2 number, since 2×1540362340² = 4745432276980551200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1540362299 and 1540362308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71955 + ... + 90874.

It is an arithmetic number, because the mean of its divisors is an integer number (75227460).

Almost surely, 2^1540362340 is an apocalyptic number.

1540362340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1540362340 is an abundant number, since it is smaller than the sum of its proper divisors (2070555740).

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

1540362340 is a wasteful number, since it uses less digits than its factorization.

1540362340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162892 (or 162890 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1540362340 is about 39247.4501082554. The cubic root of 1540362340 is about 1154.8909125310.

Adding to 1540362340 its reverse (432630451), we get a palindrome (1972992791).

The spelling of 1540362340 in words is "one billion, five hundred forty million, three hundred sixty-two thousand, three hundred forty".