40609030 has 64 divisors (see below), whose sum is σ = 95136768. Its totient is φ = 12101760.

The previous prime is 40609021. The next prime is 40609043. The reversal of 40609030 is 3090604.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 40608992 and 40609010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16564 + ... + 18856.

It is an arithmetic number, because the mean of its divisors is an integer number (1486512).

Almost surely, 2^40609030 is an apocalyptic number.

40609030 is an abundant number, since it is smaller than the sum of its proper divisors (54527738).

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

40609030 is a wasteful number, since it uses less digits than its factorization.

40609030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 40609030 is about 6372.5214789752. The cubic root of 40609030 is about 343.7221650189.

Adding to 40609030 its reverse (3090604), we get a palindrome (43699634).

The spelling of 40609030 in words is "forty million, six hundred nine thousand, thirty".