40142626 has 8 divisors (see below), whose sum is σ = 60252624. Its totient is φ = 20058420.

The previous prime is 40142623. The next prime is 40142639. The reversal of 40142626 is 62624104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40142626² = 3222860844351752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40142626.

It is not an unprimeable number, because it can be changed into a prime (40142621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1920 + ... + 9163.

It is an arithmetic number, because the mean of its divisors is an integer number (7531578).

Almost surely, 2^40142626 is an apocalyptic number.

40142626 is a deficient number, since it is larger than the sum of its proper divisors (20109998).

40142626 is a wasteful number, since it uses less digits than its factorization.

40142626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12896.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 40142626 is about 6335.8208623666. The cubic root of 40142626 is about 342.4011855525.

The spelling of 40142626 in words is "forty million, one hundred forty-two thousand, six hundred twenty-six".