40406462 has 8 divisors (see below), whose sum is σ = 60996216. Its totient is φ = 20074392.

The previous prime is 40406459. The next prime is 40406489. The reversal of 40406462 is 26460404.

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

It is a congruent number.

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, 64028 + ... + 64655.

It is an arithmetic number, because the mean of its divisors is an integer number (7624527).

Almost surely, 2^40406462 is an apocalyptic number.

40406462 is a deficient number, since it is larger than the sum of its proper divisors (20589754).

40406462 is a wasteful number, since it uses less digits than its factorization.

40406462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128842.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 40406462 is about 6356.6077431284. The cubic root of 40406462 is about 343.1496880278.

Adding to 40406462 its reverse (26460404), we get a palindrome (66866866).

The spelling of 40406462 in words is "forty million, four hundred six thousand, four hundred sixty-two".