40455434 has 8 divisors (see below), whose sum is σ = 62640768. Its totient is φ = 19575180.

The previous prime is 40455431. The next prime is 40455451. The reversal of 40455434 is 43455404.

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

It is a junction number, because it is equal to n+sod(n) for n = 40455397 and 40455406.

It is not an unprimeable number, because it can be changed into a prime (40455431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326192 + ... + 326315.

It is an arithmetic number, because the mean of its divisors is an integer number (7830096).

Almost surely, 2^40455434 is an apocalyptic number.

40455434 is a deficient number, since it is larger than the sum of its proper divisors (22185334).

40455434 is a wasteful number, since it uses less digits than its factorization.

40455434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652540.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 40455434 is about 6360.4586312624. The cubic root of 40455434 is about 343.2882627445.

The spelling of 40455434 in words is "forty million, four hundred fifty-five thousand, four hundred thirty-four".