40443013400430 has 64 divisors (see below), whose sum is σ = 97286666692608. Its totient is φ = 10759989152640.

The previous prime is 40443013400411. The next prime is 40443013400501. The reversal of 40443013400430 is 3400431034404.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 55568259 + ... + 56291361.

It is an arithmetic number, because the mean of its divisors is an integer number (1520104167072).

Almost surely, 2^{40443013400430} is an apocalyptic number.

40443013400430 is an abundant number, since it is smaller than the sum of its proper divisors (56843653292178).

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

40443013400430 is a wasteful number, since it uses less digits than its factorization.

40443013400430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727401.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 40443013400430 its reverse (3400431034404), we get a palindrome (43843444434834).

The spelling of 40443013400430 in words is "forty trillion, four hundred forty-three billion, thirteen million, four hundred thousand, four hundred thirty".