38740080 has 160 divisors (see below), whose sum is σ = 127991808. Its totient is φ = 9676800.

The previous prime is 38740061. The next prime is 38740081. The reversal of 38740080 is 8004783.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38740081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304977 + ... + 305103.

Almost surely, 2^38740080 is an apocalyptic number.

38740080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38740080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63995904).

38740080 is an abundant number, since it is smaller than the sum of its proper divisors (89251728).

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

38740080 is a wasteful number, since it uses less digits than its factorization.

38740080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 38740080 is about 6224.1529544188. The cubic root of 38740080 is about 338.3660937699.

The spelling of 38740080 in words is "thirty-eight million, seven hundred forty thousand, eighty".