40451203145 has 8 divisors (see below), whose sum is σ = 48544353600. Its totient is φ = 32359022640.

The previous prime is 40451203139. The next prime is 40451203171. The reversal of 40451203145 is 54130215404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40451203145 - 2⁸ = 40451202889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147341 + ... + 320330.

It is an arithmetic number, because the mean of its divisors is an integer number (6068044200).

Almost surely, 2^40451203145 is an apocalyptic number.

It is an amenable number.

40451203145 is a deficient number, since it is larger than the sum of its proper divisors (8093150455).

40451203145 is a wasteful number, since it uses less digits than its factorization.

40451203145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484975.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 40451203145 its reverse (54130215404), we get a palindrome (94581418549).

The spelling of 40451203145 in words is "forty billion, four hundred fifty-one million, two hundred three thousand, one hundred forty-five".