1523460540 has 48 divisors (see below), whose sum is σ = 4875075072. Its totient is φ = 348219456.

The previous prime is 1523460511. The next prime is 1523460551. The reversal of 1523460540 is 450643251.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1523460498 and 1523460507.

It is a congruent number.

It is an unprimeable number.

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, 1813224 + ... + 1814063.

It is an arithmetic number, because the mean of its divisors is an integer number (101564064).

Almost surely, 2^1523460540 is an apocalyptic number.

1523460540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1523460540 is an abundant number, since it is smaller than the sum of its proper divisors (3351614532).

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

1523460540 is a wasteful number, since it uses less digits than its factorization.

1523460540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627306 (or 3627304 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1523460540 is about 39031.5326370872. The cubic root of 1523460540 is about 1150.6513109548.

The spelling of 1523460540 in words is "one billion, five hundred twenty-three million, four hundred sixty thousand, five hundred forty".