2515402142 has 16 divisors (see below), whose sum is σ = 4125019392. Its totient is φ = 1140890520.

The previous prime is 2515402121. The next prime is 2515402151. The reversal of 2515402142 is 2412045152.

It is a super-3 number, since 3×2515402142³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113288 + ... + 133659.

It is an arithmetic number, because the mean of its divisors is an integer number (257813712).

Almost surely, 2^2515402142 is an apocalyptic number.

2515402142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2515402142 is a deficient number, since it is larger than the sum of its proper divisors (1609617250).

2515402142 is a wasteful number, since it uses less digits than its factorization.

2515402142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247423.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2515402142 is about 50153.7849219777. The cubic root of 2515402142 is about 1359.9902936879.

Adding to 2515402142 its reverse (2412045152), we get a palindrome (4927447294).

The spelling of 2515402142 in words is "two billion, five hundred fifteen million, four hundred two thousand, one hundred forty-two".