40742884 has 48 divisors (see below), whose sum is σ = 88397568. Its totient is φ = 16000128.

The previous prime is 40742869. The next prime is 40742893. The reversal of 40742884 is 48824704.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62649 + ... + 63295.

It is an arithmetic number, because the mean of its divisors is an integer number (1841616).

Almost surely, 2^40742884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40742884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44198784).

40742884 is an abundant number, since it is smaller than the sum of its proper divisors (47654684).

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

40742884 is a wasteful number, since it uses less digits than its factorization.

40742884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 37.

The square root of 40742884 is about 6383.0152749308. The cubic root of 40742884 is about 344.0994056509.

The spelling of 40742884 in words is "forty million, seven hundred forty-two thousand, eight hundred eighty-four".