46783440 has 240 divisors, whose sum is σ = 178113600. Its totient is φ = 11278080.

The previous prime is 46783427. The next prime is 46783447. The reversal of 46783440 is 4438764.

It is a tau number, because it is divible by the number of its divisors (240).

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 = 46783395 and 46783404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46783447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 261271 + ... + 261449.

It is an arithmetic number, because the mean of its divisors is an integer number (742140).

Almost surely, 2^46783440 is an apocalyptic number.

46783440 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 46783440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89056800).

46783440 is an abundant number, since it is smaller than the sum of its proper divisors (131330160).

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

46783440 is a wasteful number, since it uses less digits than its factorization.

46783440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 46783440 is about 6839.8421034407. The cubic root of 46783440 is about 360.3274797902.

It can be divided in two parts, 4678 and 3440, that added together give a palindrome (8118).

The spelling of 46783440 in words is "forty-six million, seven hundred eighty-three thousand, four hundred forty".