46549440 has 168 divisors, whose sum is σ = 183062880. Its totient is φ = 10635264.

The previous prime is 46549429. The next prime is 46549457. The reversal of 46549440 is 4494564.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 46549395 and 46549404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19006 + ... + 21314.

It is an arithmetic number, because the mean of its divisors is an integer number (1089660).

Almost surely, 2^46549440 is an apocalyptic number.

46549440 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 46549440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91531440).

46549440 is an abundant number, since it is smaller than the sum of its proper divisors (136513440).

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

46549440 is a wasteful number, since it uses less digits than its factorization.

46549440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339 (or 2326 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 46549440 is about 6822.7150021088. The cubic root of 46549440 is about 359.7257170035.

The spelling of 46549440 in words is "forty-six million, five hundred forty-nine thousand, four hundred forty".