40598964 has 72 divisors (see below), whose sum is σ = 121092608. Its totient is φ = 11223360.

The previous prime is 40598963. The next prime is 40598989. The reversal of 40598964 is 46989504.

40598964 = T₁₉₇ + T₁₉₈ + ... + T₆₃₀.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40598963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5214 + ... + 10410.

Almost surely, 2^40598964 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 40598964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60546304).

40598964 is an abundant number, since it is smaller than the sum of its proper divisors (80493644).

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

40598964 is a wasteful number, since it uses less digits than its factorization.

40598964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245 (or 5240 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 40598964 is about 6371.7316327667. The cubic root of 40598964 is about 343.6937625246.

The spelling of 40598964 in words is "forty million, five hundred ninety-eight thousand, nine hundred sixty-four".