40001748 has 24 divisors (see below), whose sum is σ = 98828352. Its totient is φ = 12549504.

The previous prime is 40001743. The next prime is 40001771. The reversal of 40001748 is 84710004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40001743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97840 + ... + 98247.

It is an arithmetic number, because the mean of its divisors is an integer number (4117848).

Almost surely, 2^40001748 is an apocalyptic number.

It is an amenable number.

40001748 is an abundant number, since it is smaller than the sum of its proper divisors (58826604).

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

40001748 is a wasteful number, since it uses less digits than its factorization.

40001748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196111 (or 196109 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 40001748 is about 6324.6935103608. The cubic root of 40001748 is about 342.0001709927. Note that the first 3 decimals are identical.

It can be divided in two parts, 400017 and 48, that added together give a triangular number (400065 = T₈₉₄).

The spelling of 40001748 in words is "forty million, one thousand, seven hundred forty-eight".