45449548406 has 32 divisors (see below), whose sum is σ = 73460977920. Its totient is φ = 21036353184.

The previous prime is 45449548393. The next prime is 45449548421. The reversal of 45449548406 is 60484594454.

It is a super-2 number, since 2×45449548406² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 110201 + ... + 321003.

It is an arithmetic number, because the mean of its divisors is an integer number (2295655560).

Almost surely, 2^45449548406 is an apocalyptic number.

45449548406 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

45449548406 is a deficient number, since it is larger than the sum of its proper divisors (28011429514).

45449548406 is a wasteful number, since it uses less digits than its factorization.

45449548406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210980.

The product of its (nonzero) digits is 11059200, while the sum is 53.

The spelling of 45449548406 in words is "forty-five billion, four hundred forty-nine million, five hundred forty-eight thousand, four hundred six".