47269440 has 112 divisors (see below), whose sum is σ = 166786560. Its totient is φ = 12602880.

The previous prime is 47269421. The next prime is 47269441. The reversal of 47269440 is 4496274.

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 = 47269395 and 47269404.

It is not an unprimeable number, because it can be changed into a prime (47269441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5905 + ... + 11375.

Almost surely, 2^47269440 is an apocalyptic number.

47269440 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 47269440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83393280).

47269440 is an abundant number, since it is smaller than the sum of its proper divisors (119517120).

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

47269440 is a wasteful number, since it uses less digits than its factorization.

47269440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5497 (or 5481 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 47269440 is about 6875.2774489471. The cubic root of 47269440 is about 361.5709128977.

The spelling of 47269440 in words is "forty-seven million, two hundred sixty-nine thousand, four hundred forty".