40348980 has 144 divisors (see below), whose sum is σ = 144528384. Its totient is φ = 8916480.

The previous prime is 40348967. The next prime is 40348991. The reversal of 40348980 is 8984304.

It is a super-4 number, since 4×40348980⁴ (a number of 32 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38544 + ... + 39576.

Almost surely, 2^40348980 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 40348980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72264192).

40348980 is an abundant number, since it is smaller than the sum of its proper divisors (104179404).

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

40348980 is a wasteful number, since it uses less digits than its factorization.

40348980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 40348980 is about 6352.0846971683. The cubic root of 40348980 is about 342.9868898819.

It can be divided in two parts, 40348 and 980, that added together give a triangular number (41328 = T₂₈₇).

The spelling of 40348980 in words is "forty million, three hundred forty-eight thousand, nine hundred eighty".