47401040 has 40 divisors (see below), whose sum is σ = 111073248. Its totient is φ = 18811520.

The previous prime is 47401037. The next prime is 47401061. The reversal of 47401040 is 4010474.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8219 + ... + 12741.

Almost surely, 2^47401040 is an apocalyptic number.

47401040 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 47401040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55536624).

47401040 is an abundant number, since it is smaller than the sum of its proper divisors (63672208).

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

47401040 is a wasteful number, since it uses less digits than its factorization.

47401040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4667 (or 4661 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 47401040 is about 6884.8413198853. The cubic root of 47401040 is about 361.9061445887.

The spelling of 47401040 in words is "forty-seven million, four hundred one thousand, forty".