2040215742 has 32 divisors (see below), whose sum is σ = 4656352800. Its totient is φ = 661690944.

The previous prime is 2040215701. The next prime is 2040215767. The reversal of 2040215742 is 2475120402.

It is a super-2 number, since 2×2040215742² = 8324960547809221128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508567 + ... + 512562.

It is an arithmetic number, because the mean of its divisors is an integer number (145511025).

Almost surely, 2^2040215742 is an apocalyptic number.

2040215742 is an abundant number, since it is smaller than the sum of its proper divisors (2616137058).

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

2040215742 is a wasteful number, since it uses less digits than its factorization.

2040215742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021177 (or 1021171 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 2040215742 is about 45168.7474034868. The cubic root of 2040215742 is about 1268.3098483340.

The spelling of 2040215742 in words is "two billion, forty million, two hundred fifteen thousand, seven hundred forty-two".