1541438490 has 32 divisors (see below), whose sum is σ = 3700748160. Its totient is φ = 410906304.

The previous prime is 1541438413. The next prime is 1541438491. The reversal of 1541438490 is 948341451.

1541438490 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1541438491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99552 + ... + 113988.

It is an arithmetic number, because the mean of its divisors is an integer number (115648380).

Almost surely, 2^1541438490 is an apocalyptic number.

1541438490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1541438490 is an abundant number, since it is smaller than the sum of its proper divisors (2159309670).

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

1541438490 is a wasteful number, since it uses less digits than its factorization.

1541438490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18006.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1541438490 is about 39261.1575224165. The cubic root of 1541438490 is about 1155.1597987331.

The spelling of 1541438490 in words is "one billion, five hundred forty-one million, four hundred thirty-eight thousand, four hundred ninety".