40985658451 has 2 divisors, whose sum is σ = 40985658452. Its totient is φ = 40985658450.

The previous prime is 40985658431. The next prime is 40985658491. The reversal of 40985658451 is 15485658904.

40985658451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40985658451 - 2¹³ = 40985650259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40985658392 and 40985658401.

It is not a weakly prime, because it can be changed into another prime (40985658401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20492829225 + 20492829226.

It is an arithmetic number, because the mean of its divisors is an integer number (20492829226).

Almost surely, 2^40985658451 is an apocalyptic number.

40985658451 is a deficient number, since it is larger than the sum of its proper divisors (1).

40985658451 is an equidigital number, since it uses as much as digits as its factorization.

40985658451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912000, while the sum is 55.

The spelling of 40985658451 in words is "forty billion, nine hundred eighty-five million, six hundred fifty-eight thousand, four hundred fifty-one".