40934000 has 80 divisors (see below), whose sum is σ = 100472736. Its totient is φ = 16128000.

The previous prime is 40933939. The next prime is 40934009. The reversal of 40934000 is 43904.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40934009) 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 15 ways as a sum of consecutive naturals, for example, 193895 + ... + 194105.

Almost surely, 2^40934000 is an apocalyptic number.

40934000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40934000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50236368).

40934000 is an abundant number, since it is smaller than the sum of its proper divisors (59538736).

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

40934000 is a wasteful number, since it uses less digits than its factorization.

40934000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 40934000 is about 6397.9684275557. The cubic root of 40934000 is about 344.6365983760.

Adding to 40934000 its reverse (43904), we get a palindrome (40977904).

The spelling of 40934000 in words is "forty million, nine hundred thirty-four thousand".