40501434 has 16 divisors (see below), whose sum is σ = 82531872. Its totient is φ = 13245648.

The previous prime is 40501423. The next prime is 40501441. The reversal of 40501434 is 43410504.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40501434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63364 + ... + 63999.

It is an arithmetic number, because the mean of its divisors is an integer number (5158242).

Almost surely, 2^40501434 is an apocalyptic number.

40501434 is an abundant number, since it is smaller than the sum of its proper divisors (42030438).

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

40501434 is a wasteful number, since it uses less digits than its factorization.

40501434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127421.

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

The square root of 40501434 is about 6364.0736953621. The cubic root of 40501434 is about 343.4183258545.

Adding to 40501434 its reverse (43410504), we get a palindrome (83911938).

The spelling of 40501434 in words is "forty million, five hundred one thousand, four hundred thirty-four".