40530294 has 80 divisors (see below), whose sum is σ = 105101568. Its totient is φ = 11434608.

The previous prime is 40530283. The next prime is 40530317. The reversal of 40530294 is 49203504.

40530294 is a `hidden beast` number, since 40 + 530 + 2 + 94 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 116629 + ... + 116975.

Almost surely, 2^40530294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40530294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52550784).

40530294 is an abundant number, since it is smaller than the sum of its proper divisors (64571274).

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

40530294 is a wasteful number, since it uses less digits than its factorization.

40530294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 40530294 is about 6366.3407071881. The cubic root of 40530294 is about 343.4998760511.

Adding to 40530294 its reverse (49203504), we get a palindrome (89733798).

The spelling of 40530294 in words is "forty million, five hundred thirty thousand, two hundred ninety-four".