46206453640 has 64 divisors (see below), whose sum is σ = 106975384560. Its totient is φ = 17954227200.

The previous prime is 46206453637. The next prime is 46206453673. The reversal of 46206453640 is 4635460264.

It can be written as a sum of positive squares in 8 ways, for example, as 39978402916 + 6228050724 = 199946^2 + 78918^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 46206453593 and 46206453602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106222 + ... + 322018.

Almost surely, 2^46206453640 is an apocalyptic number.

46206453640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46206453640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53487692280).

46206453640 is an abundant number, since it is smaller than the sum of its proper divisors (60768930920).

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

46206453640 is a wasteful number, since it uses less digits than its factorization.

46206453640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215962 (or 215958 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 46206453640 in words is "forty-six billion, two hundred six million, four hundred fifty-three thousand, six hundred forty".