40626380 has 12 divisors (see below), whose sum is σ = 85315440. Its totient is φ = 16250544.

The previous prime is 40626373. The next prime is 40626431. The reversal of 40626380 is 8362604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015640 + ... + 1015679.

It is an arithmetic number, because the mean of its divisors is an integer number (7109620).

Almost surely, 2^40626380 is an apocalyptic number.

It is an amenable number.

40626380 is an abundant number, since it is smaller than the sum of its proper divisors (44689060).

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

40626380 is a wasteful number, since it uses less digits than its factorization.

40626380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031328 (or 2031326 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 40626380 is about 6373.8826471782. The cubic root of 40626380 is about 343.7711092271.

Adding to 40626380 its reverse (8362604), we get a palindrome (48988984).

The spelling of 40626380 in words is "forty million, six hundred twenty-six thousand, three hundred eighty".