1540041000 has 64 divisors (see below), whose sum is σ = 4804937280. Its totient is φ = 410676800.

The previous prime is 1540040993. The next prime is 1540041017. The reversal of 1540041000 is 1400451.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 253674 + ... + 259673.

It is an arithmetic number, because the mean of its divisors is an integer number (75077145).

Almost surely, 2^1540041000 is an apocalyptic number.

1540041000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1540041000 is an abundant number, since it is smaller than the sum of its proper divisors (3264896280).

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

1540041000 is a wasteful number, since it uses less digits than its factorization.

1540041000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513371 (or 513357 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1540041000 is about 39243.3561255915. The cubic root of 1540041000 is about 1154.8105984288.

Adding to 1540041000 its reverse (1400451), we get a palindrome (1541441451).

The spelling of 1540041000 in words is "one billion, five hundred forty million, forty-one thousand".