1540638050 has 48 divisors (see below), whose sum is σ = 3387908160. Its totient is φ = 510000960.

The previous prime is 1540638037. The next prime is 1540638059. The reversal of 1540638050 is 508360451.

It is a happy number.

It is a super-2 number, since 2×1540638050² = 4747131202215605000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1540637998 and 1540638016.

It is not an unprimeable number, because it can be changed into a prime (1540638059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65744 + ... + 86043.

It is an arithmetic number, because the mean of its divisors is an integer number (70581420).

Almost surely, 2^1540638050 is an apocalyptic number.

1540638050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1540638050 is an abundant number, since it is smaller than the sum of its proper divisors (1847270110).

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

1540638050 is a wasteful number, since it uses less digits than its factorization.

1540638050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151835 (or 151830 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1540638050 is about 39250.9624085831. The cubic root of 1540638050 is about 1154.9598131979.

The spelling of 1540638050 in words is "one billion, five hundred forty million, six hundred thirty-eight thousand, fifty".