40462197858 has 24 divisors (see below), whose sum is σ = 90691134300. Its totient is φ = 13022316384.

The previous prime is 40462197857. The next prime is 40462197863. The reversal of 40462197858 is 85879126404.

It is a happy number.

40462197858 is a `hidden beast` number, since 4 + 0 + 4 + 621 + 9 + 7 + 8 + 5 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40460115609 + 2082249 = 201147^2 + 1443^2 .

It is not an unprimeable number, because it can be changed into a prime (40462197851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38756373 + ... + 38757416.

Almost surely, 2^40462197858 is an apocalyptic number.

40462197858 is an abundant number, since it is smaller than the sum of its proper divisors (50228936442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40462197858 is a wasteful number, since it uses less digits than its factorization.

40462197858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77513826 (or 77513823 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 40462197858 in words is "forty billion, four hundred sixty-two million, one hundred ninety-seven thousand, eight hundred fifty-eight".