40267572 has 24 divisors (see below), whose sum is σ = 98043456. Its totient is φ = 12838848.

The previous prime is 40267567. The next prime is 40267597. The reversal of 40267572 is 27576204.

Added to its reverse (27576204) it gives a triangular number (67843776 = T₁₁₆₄₈).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72673 + ... + 73224.

It is an arithmetic number, because the mean of its divisors is an integer number (4085144).

Almost surely, 2^40267572 is an apocalyptic number.

It is an amenable number.

40267572 is an abundant number, since it is smaller than the sum of its proper divisors (57775884).

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

40267572 is a wasteful number, since it uses less digits than its factorization.

40267572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145927 (or 145925 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 40267572 is about 6345.6734867152. The cubic root of 40267572 is about 342.7560647476.

Adding to 40267572 its reverse (27576204), we get a triangular number (67843776 = T₁₁₆₄₈).

The spelling of 40267572 in words is "forty million, two hundred sixty-seven thousand, five hundred seventy-two".