1001541040 has 40 divisors (see below), whose sum is σ = 2339658288. Its totient is φ = 398711040.

The previous prime is 1001541019. The next prime is 1001541041. The reversal of 1001541040 is 401451001.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1001541041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12787 + ... + 46546.

Almost surely, 2^1001541040 is an apocalyptic number.

1001541040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001541040 is an abundant number, since it is smaller than the sum of its proper divisors (1338117248).

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

1001541040 is a wasteful number, since it uses less digits than its factorization.

1001541040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59557 (or 59551 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1001541040 is about 31647.1332034989. The cubic root of 1001541040 is about 1000.5134163585.

Adding to 1001541040 its reverse (401451001), we get a palindrome (1402992041).

The spelling of 1001541040 in words is "one billion, one million, five hundred forty-one thousand, forty".