40463430 has 64 divisors (see below), whose sum is σ = 113591808. Its totient is φ = 9031680.

The previous prime is 40463429. The next prime is 40463443. The reversal of 40463430 is 3436404.

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 40463430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6790 + ... + 11270.

It is an arithmetic number, because the mean of its divisors is an integer number (1774872).

Almost surely, 2^40463430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40463430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56795904).

40463430 is an abundant number, since it is smaller than the sum of its proper divisors (73128378).

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

40463430 is a wasteful number, since it uses less digits than its factorization.

40463430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4541.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 40463430 is about 6361.0871712310. The cubic root of 40463430 is about 343.3108781828.

Adding to 40463430 its reverse (3436404), we get a palindrome (43899834).

The spelling of 40463430 in words is "forty million, four hundred sixty-three thousand, four hundred thirty".