40451035121 has 16 divisors (see below), whose sum is σ = 48270288000. Its totient is φ = 33865970544.

The previous prime is 40451035073. The next prime is 40451035123. The reversal of 40451035121 is 12153015404.

It is not a de Polignac number, because 40451035121 - 2¹⁰ = 40451034097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40451035123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1356566 + ... + 1386063.

It is an arithmetic number, because the mean of its divisors is an integer number (3016893000).

Almost surely, 2^40451035121 is an apocalyptic number.

It is an amenable number.

40451035121 is a deficient number, since it is larger than the sum of its proper divisors (7819252879).

40451035121 is an equidigital number, since it uses as much as digits as its factorization.

40451035121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742693 (or 2742679 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 40451035121 in words is "forty billion, four hundred fifty-one million, thirty-five thousand, one hundred twenty-one".