40101015 has 16 divisors (see below), whose sum is σ = 64423296. Its totient is φ = 21300000.

The previous prime is 40100999. The next prime is 40101031. The reversal of 40101015 is 51010104.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40100999) and next prime (40101031).

It is not a de Polignac number, because 40101015 - 2⁴ = 40100999 is a prime.

It is a congruent number.

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, 1561 + ... + 9090.

It is an arithmetic number, because the mean of its divisors is an integer number (4026456).

Almost surely, 2^40101015 is an apocalyptic number.

40101015 is a deficient number, since it is larger than the sum of its proper divisors (24322281).

40101015 is a wasteful number, since it uses less digits than its factorization.

40101015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10910.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 40101015 is about 6332.5362217677. The cubic root of 40101015 is about 342.2828360329.

Adding to 40101015 its reverse (51010104), we get a palindrome (91111119).

The spelling of 40101015 in words is "forty million, one hundred one thousand, fifteen".