4015542290 has 96 divisors (see below), whose sum is σ = 8058573360. Its totient is φ = 1439580672.

The previous prime is 4015542287. The next prime is 4015542397. The reversal of 4015542290 is 922455104.

It can be written as a sum of positive squares in 8 ways, for example, as 2815681969 + 1199860321 = 53063^2 + 34639^2 .

It is a super-2 number, since 2×4015542290² = 32249159765556888200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85437047 + ... + 85437093.

Almost surely, 2^4015542290 is an apocalyptic number.

4015542290 is an abundant number, since it is smaller than the sum of its proper divisors (4043031070).

4015542290 is an equidigital number, since it uses as much as digits as its factorization.

4015542290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 108 counting only the distinct ones).

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

The square root of 4015542290 is about 63368.3066682391. The cubic root of 4015542290 is about 1589.4543820971.

Adding to 4015542290 its reverse (922455104), we get a palindrome (4937997394).

The spelling of 4015542290 in words is "four billion, fifteen million, five hundred forty-two thousand, two hundred ninety".