40375380 has 96 divisors (see below), whose sum is σ = 120476160. Its totient is φ = 10074240.

The previous prime is 40375367. The next prime is 40375393. The reversal of 40375380 is 8357304.

It is an interprime number because it is at equal distance from previous prime (40375367) and next prime (40375393).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121815 + ... + 122145.

It is an arithmetic number, because the mean of its divisors is an integer number (1254960).

Almost surely, 2^40375380 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 40375380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60238080).

40375380 is an abundant number, since it is smaller than the sum of its proper divisors (80100780).

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

40375380 is a wasteful number, since it uses less digits than its factorization.

40375380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 40375380 is about 6354.1624152991. The cubic root of 40375380 is about 343.0616780572.

It can be divided in two parts, 40375 and 380, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 40375380 in words is "forty million, three hundred seventy-five thousand, three hundred eighty".