40246040121 has 16 divisors (see below), whose sum is σ = 61363492224. Its totient is φ = 22984164864.

The previous prime is 40246040077. The next prime is 40246040143. The reversal of 40246040121 is 12104064204.

It is a happy number.

It is not a de Polignac number, because 40246040121 - 2³¹ = 38098556473 is a prime.

It is a super-2 number, since 2×40246040121² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40246040091 and 40246040100.

It is not an unprimeable number, because it can be changed into a prime (40246042121) 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, 529030 + ... + 600303.

It is an arithmetic number, because the mean of its divisors is an integer number (3835218264).

Almost surely, 2^40246040121 is an apocalyptic number.

It is an amenable number.

40246040121 is a deficient number, since it is larger than the sum of its proper divisors (21117452103).

40246040121 is a wasteful number, since it uses less digits than its factorization.

40246040121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131040.

The product of its (nonzero) digits is 1536, while the sum is 24.

The spelling of 40246040121 in words is "forty billion, two hundred forty-six million, forty thousand, one hundred twenty-one".