40875731401 has 2 divisors, whose sum is σ = 40875731402. Its totient is φ = 40875731400.

The previous prime is 40875731363. The next prime is 40875731437. The reversal of 40875731401 is 10413757804.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39132752400 + 1742979001 = 197820^2 + 41749^2 .

It is a cyclic number.

It is not a de Polignac number, because 40875731401 - 2¹¹ = 40875729353 is a prime.

It is not a weakly prime, because it can be changed into another prime (40875731441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20437865700 + 20437865701.

It is an arithmetic number, because the mean of its divisors is an integer number (20437865701).

Almost surely, 2^40875731401 is an apocalyptic number.

It is an amenable number.

40875731401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40875731401 is an equidigital number, since it uses as much as digits as its factorization.

40875731401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 40875731401 in words is "forty billion, eight hundred seventy-five million, seven hundred thirty-one thousand, four hundred one".