40426500 has 48 divisors (see below), whose sum is σ = 117726336. Its totient is φ = 10780000.

The previous prime is 40426499. The next prime is 40426517. The reversal of 40426500 is 562404.

It is a happy 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, 11976 + ... + 14975.

It is an arithmetic number, because the mean of its divisors is an integer number (2452632).

Almost surely, 2^40426500 is an apocalyptic number.

It is an amenable number.

40426500 is an abundant number, since it is smaller than the sum of its proper divisors (77299836).

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

40426500 is a wasteful number, since it uses less digits than its factorization.

40426500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26973 (or 26961 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40426500 is about 6358.1837029139. The cubic root of 40426500 is about 343.2064025300.

Adding to 40426500 its reverse (562404), we get a palindrome (40988904).

The spelling of 40426500 in words is "forty million, four hundred twenty-six thousand, five hundred".