40097406 has 8 divisors (see below), whose sum is σ = 80194824. Its totient is φ = 13365800.

The previous prime is 40097389. The next prime is 40097411. The reversal of 40097406 is 60479004.

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

40097406 is an admirable number.

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, 3341445 + ... + 3341456.

It is an arithmetic number, because the mean of its divisors is an integer number (10024353).

Almost surely, 2^40097406 is an apocalyptic number.

40097406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40097406 is a wasteful number, since it uses less digits than its factorization.

40097406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6682906.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 40097406 is about 6332.2512584388. The cubic root of 40097406 is about 342.2725674997.

The spelling of 40097406 in words is "forty million, ninety-seven thousand, four hundred six".