40015230 has 16 divisors (see below), whose sum is σ = 96036624. Its totient is φ = 10670720.

The previous prime is 40015219. The next prime is 40015247. The reversal of 40015230 is 3251004.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 666891 + ... + 666950.

It is an arithmetic number, because the mean of its divisors is an integer number (6002289).

Almost surely, 2^40015230 is an apocalyptic number.

40015230 is an abundant number, since it is smaller than the sum of its proper divisors (56021394).

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

40015230 is a wasteful number, since it uses less digits than its factorization.

40015230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333851.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 40015230 is about 6325.7592429684. The cubic root of 40015230 is about 342.0385887171.

Adding to 40015230 its reverse (3251004), we get a palindrome (43266234).

The spelling of 40015230 in words is "forty million, fifteen thousand, two hundred thirty".