40451215343 has 48 divisors (see below), whose sum is σ = 51720988320. Its totient is φ = 31283481600.

The previous prime is 40451215313. The next prime is 40451215349. The reversal of 40451215343 is 34351215404.

It is not a de Polignac number, because 40451215343 - 2⁸ = 40451215087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40451215349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61946405 + ... + 61947057.

It is an arithmetic number, because the mean of its divisors is an integer number (1077520590).

Almost surely, 2^40451215343 is an apocalyptic number.

40451215343 is a deficient number, since it is larger than the sum of its proper divisors (11269772977).

40451215343 is a wasteful number, since it uses less digits than its factorization.

40451215343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 40451215343 in words is "forty billion, four hundred fifty-one million, two hundred fifteen thousand, three hundred forty-three".