40605434 has 16 divisors (see below), whose sum is σ = 61909920. Its totient is φ = 19971600.

The previous prime is 40605431. The next prime is 40605437. The reversal of 40605434 is 43450604.

It is an interprime number because it is at equal distance from previous prime (40605431) and next prime (40605437).

It is not an unprimeable number, because it can be changed into a prime (40605431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35597 + ... + 36719.

It is an arithmetic number, because the mean of its divisors is an integer number (3869370).

Almost surely, 2^40605434 is an apocalyptic number.

40605434 is a deficient number, since it is larger than the sum of its proper divisors (21304486).

40605434 is a wasteful number, since it uses less digits than its factorization.

With its successor (40605435) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (1405).

40605434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 40605434 is about 6372.2393238170. The cubic root of 40605434 is about 343.7120189882.

The spelling of 40605434 in words is "forty million, six hundred five thousand, four hundred thirty-four".